Malicious PDF — malware analysis report

Static analysis result for SHA-256 334309de9709ac6b…

MALICIOUS

PDF

83.9 KB Created: 2021-03-10 01:29:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 539d077ff65345d69f91b82ccd13ee63 SHA-1: 7f6cb93176ab7587eac3e7183baf6ec9a1e66ee4 SHA-256: 334309de9709ac6bdfb3c5b751071ea37563eea10bb81bfb8ceca41878a9655e
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a malicious site. The document body, though heavily obfuscated, contains keywords related to "Berlin welcome card discounts" which is a common lure for phishing attacks.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://seumenha.ru/award?keyword=berlin+welcome+card+discounts+pdf
    • http://wutugupim.iblogger.org/10569563721.pdf
    • https://cdn-cms.f-static.net/uploads/4473890/normal_5fd6dfda9aa7e.pdf
    • http://kufinajes.iblogger.org/gebosi.pdf
    • https://cdn-cms.f-static.net/uploads/4374537/normal_602ca8672a865.pdf
    • https://cdn-cms.f-static.net/uploads/4476943/normal_603a5e43c52ee.pdf
    • http://wuroguredogir.getenjoyment.net/wind_in_the_willows_song_lyrics_friends_together.pdf
    • http://sanadewa.iblogger.org/sndrome_de_abstinncia_neonatal.pdf
    • http://xukosususif.medianewsonline.com/55636250198.pdf
    • https://cdn-cms.f-static.net/uploads/4459788/normal_602f9b910625d.pdf
    • https://static.s123-cdn-static.com/uploads/4458161/normal_5fc603364c051.pdf
    • https://cdn-cms.f-static.net/uploads/4411250/normal_60341be70ec89.pdf
    • https://static.s123-cdn-static.com/uploads/4486550/normal_5ffdadb31297c.pdf
    • https://cdn-cms.f-static.net/uploads/4366063/normal_6037d673ec87b.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • http://gozenabuzixi.onlinewebshop.net/75178856733.pdf
    • https://uploads.strikinglycdn.com/files/0fd03ee7-336a-4c6e-9fcf-09ee8a845389/80909087300.pdf
    • http://gamojeliziri.rf.gd/restricted_license_form_california.pdf
    • https://uploads.strikinglycdn.com/files/2f1fcb85-0469-4bc3-9bfb-0176c6e8bd7c/why_is_initial_velocity_0_in_free_fall.pdf
    • http://fovelemuzawela.epizy.com/75756086142.pdf
    • https://uploads.strikinglycdn.com/files/5056be20-03a5-4fcf-94a7-41f0373392fa/tipo_de_esquemas_eltricos.pdf
    • http://vaduxovogemuke.epizy.com/33532745338.pdf
    • https://uploads.strikinglycdn.com/files/a804ea28-a277-4a11-9fe5-e2366d122469/62552015329.pdf
    • http://fubavinexazixo.onlinewebshop.net/sony_str_1050.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fe4a.bin
984f04105b4e642687fa12d79a50e4924f26712ce8c8763fe211d250dc6676e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFE4A 5324 bytes
font_01_sfnt_off00011053.bin
b9d8515c3694ec5e6177658f47da78a5393206e346bb8cb1b7d0d83008bee7bc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11053 10552 bytes
font_02_sfnt_off0001343f.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1343F 4324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.